That's a decision from upstream to make "the system components" non- uninstallable, they are flagging the video player as being one of those ... unsure if that makes sense or not but if it's confusing to you you should report it to upstream. See https://bugzilla.gnome.org/show_bug.cgi?id=723395 for an example of similar report
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1579733 Title: Some Installed apps don't have "Remove" button To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-software/+bug/1579733/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs